28 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... production -> Corneal ... conjunctiva and cornea ... blindness) • Corneal ... dryness of the cornea
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
from nasal or ocular ... of the limbal cornea ... the peripheral cornea ... fibrosis => • Corneal ... Trachoma #Chlamydia #pathophysiology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
- Impinges on ocular ... Impaired extra-ocular ... Proptosis -> Exposes cornea ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Conjunctivitis, corneal ... Episcleritis Ocular ... Blepharitis Cornea ... Questions to Ask ... • Corneal ulcer
Onchocerciasis “River Blindness”: Pathogenesis and Ocular Manifestations
Vectorial Transmission
-> Onchocerca volvulus, a parasitic helminth, matures in to
Pathogenesis and Ocular ... stromal keratitis -> Corneal ... RiverBlindness #pathophysiology
Astigmatism: Pathogenesis and clinical findings
Astigmatism - deviation from spherical curvature of the lens or eye

Refracting power
Refracting power of the cornea ... rule astigmatism: cornea ... rule astigmatism: cornea ... passing through the cornea ... • Headache • Ocular
Acute ED Migraine Therapy and Preventative Therapy Algorithm:
Acute migraine
 • IV NS IL bolus then infusion
20 mg/min -> Neurology ... Miguel Cortel-LeBlanc ... management #algorithm #treatment ... #prophylaxis #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Neurogenic Ptosis - Neurologic ... nerve palsy • Horner ... lens wearing • Ocular ... Syndrome #Ptosis #neurology ... ophthalmology #ocular
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Pathophysiology ... cardiomyopathy, Horner ... Treatment: • Plasmapheresis ... diagnosis #management #treatment ... #neurology
Gonococcal conjunctivitis: ocular emergency; risk perforation of cornea 
Clinical features: purulent discharge +++, chemosis (conjunctival oedema),
conjunctivitis: ocular ... perforation of cornea ... not appropriate treatment